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James WalkerAug 6, 2025
How to change the pump oil in a Den-Sin C-150E?
- MMichael LangAug 6, 2025
To change the pump oil in your Den-Sin Pressure Washer: 1. Turn off the High Pressure Cleaner. 2. Loosen the bolt (Hex) at the bottom of the pump housing. 3. Drain the oil into a waste oil-tray. 4. Tighten the bolt (Hex). 5. Add oil through the pump inlet on top of the pump until the red point of the oil control glass has been reached. Use SAE 15W40 oil, approximately 0.4kg. Do not dispose of used oil in the drain.
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